Sanyo Plc Ef31n Projector User Manual

							Owner’s Manual
PLC-EF31/EF31NL
Multimedia Projector
MODEL 
PLC-EF31N 
						

							2
CAUTION : TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK).  NO USER-
SERVICEABLE PARTS INSIDE EXCEPT LAMP REPLACEMENT.  REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
THIS SYMBOL INDICATES THAT DANGEROUS
VOLTAGE CONSTITUTING A RISK OF ELECTRIC
SHOCK IS PRESENT WITHIN THIS UNIT.THIS SYMBOL INDICATES THAT THERE ARE IMPORTANT
OPERATING AND MAINTENANCE INSTRUCTIONS IN THE
OWNERS MANUAL WITH THIS UNIT.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Before operating this projector, read this manual thoroughly and operate the projector properly.  
This projector provides many convenient features and functions.  Operating the projector properly enables you to
manage those features and maintains it in better condition for a considerable time.
Improper operation may result in not only shortening the product-life, but also malfunctions, fire hazard, or other
accidents.
If your projector seems to operate improperly, read this manual again, check operations and cable connections and try
the solutions in the “Trouble-shooting” section of the end of this booklet.  If the problem still persists, contact the sales
dealer where you purchased the projector or the service center.
TO THE OWNER
SAFETY PRECAUTIONS
WARNING :  TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO
RAIN OR MOISTURE.
This projector produces intense light from the projection lens.  Do not stare directly into the lens as possible.
Eye damage could result.  Be especially careful that children do not stare directly into the beam.
This projector should be set in the way indicated.  If not, it may result in a fire hazard.
Take appropriate space on the top, sides and rear of the projector
cabinet for allowing air circulation and cooling the projector.
Minimum distance should be taken.  If the projector is to be built
into a compartment or similarly enclosed, the minimum distances
must be maintained.  Do not cover the ventilation slot on the
projector.  Heat build-up can reduce the service life of your
projector, and can also be dangerous.
Do not put any flammable object or spray can near the projector, hot air is exhausted from the ventilation
holes.
Remote Control Unit, supplied to this projector, emits the laser beam as the laser pointer function from Laser
Light Window while pressing LASER button (for 1 minute / LASER POINTER INDICATOR lights red to indicate
laser emission).  Do not look into Laser Light Window or shine the laser beam on yourself or other people.  Eye
damage may result.
If the projector is not to be used for an extended time, unplug the projector from the power outlet.
READ AND KEEP THIS OWNERS MANUAL FOR LATER USE.
20cm
50cm 50cm
1m
SIDE and TOPREAR 
						

							3
SAFETY INSTRUCTIONS
All the safety and operating instructions should be read before
the product is operated.
Read all of the instructions given here and retain them for later
use.  Unplug this projector from AC power supply before
cleaning.  Do not use liquid or aerosol cleaners.  Use a damp
cloth for cleaning.
Follow all warnings and instructions marked on the projector.
For added protection to the projector during a lightning storm,
or when it is left unattended and unused for long periods of
time, unplug it from the wall outlet.  This will prevent damage
due to lightning and power line surges.
Do not expose this unit to rain or use near water... for
example, in a wet basement, near a swimming pool, etc...
Do not use attachments not recommended by the
manufacturer as they may cause hazards.
Do not place this projector on an unstable cart, stand, or table.
The projector may fall, causing serious injury to a child or
adult, and serious damage to the projector.  Use only with a
cart or stand recommended by the manufacturer, or sold with
the projector.  Wall or shelf mounting should follow the
manufacturers instructions, and should use a mounting kit
approved by the manufacturers.
An appliance and cart combination should
be moved with care.  Quick stops,
excessive force, and uneven surfaces
may cause the appliance and cart
combination to overturn.
Slots and openings in the back and bottom of the cabinet are
provided for ventilation, to insure reliable operation of the
equipment and to protect it from overheating.
The openings should never be covered with cloth or other
materials, and the bottom opening should not be blocked by
placing the projector on a bed, sofa, rug, or other similar
surface.  This projector should never be placed near or over a
radiator or heat register.
This projector should not be placed in a built-in installation
such as a book case unless proper ventilation is provided.
Never push objects of any kind into this projector through
cabinet slots as they may touch dangerous voltage points or
short out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the projector.This projector should be operated only from the type of power
source indicated on the marking label.  If you are not sure of
the type of power supplied, consult your authorized dealer or
local power company.
Do not overload wall outlets and extension cords as this can
result in fire or electric shock.  Do not allow anything to rest on
the power cord.  Do not locate this projector where the cord
may be damaged by persons walking on it.
Do not attempt to service this projector yourself as opening or
removing covers may expose you to dangerous voltage or
other hazards.  Refer all servicing to qualified service
personnel.
Unplug this projector from wall outlet and refer servicing to
qualified service personnel under the following conditions:
a. When the power cord or plug is damaged or frayed.
b. If liquid has been spilled into the projector.
c. If the projector has been exposed to rain or water.
d. If the projector does not operate normally by following the
operating instructions.  Adjust only those controls that are
covered by the operating instructions as improper
adjustment of other controls may result in damage and will
often require extensive work by a qualified technician to
restore the projector to normal operation.
e. If the projector has been dropped or the cabinet has been
damaged.
f. When the projector exhibits a distinct change in
performance-this indicates a need for service.
When replacement parts are required, be sure the service
technician has used replacement parts specified by the
manufacturer that have the same characteristics as the
original part.  Unauthorized substitutions may result in fire,
electric shock, or injury to persons.
Upon completion of any service or repairs to this projector, ask
the service technician to perform routine safety checks to
determine that the projector is in safe operating condition.
Voor de klanten in Nederland
Bij dit product zijn batterijen
geleverd.  
Wanneer deze leeg zijn,
moet u ze niet weggooien
maar inleveren als KCA. 
						

							4
COMPLIANCES
AC Power Cord for the United Kingdom :
This cord is already fitted with a moulded plug incorporating a fuse, the value of which is indicated on the pin
face of the plug.  Should the fuse need to be replaced, an ASTA approved BS 1362 fuse must be used of the
same rating, marked thus  .  If the fuse cover is detachable, never use the plug with the cover omitted.  If a
replacement fuse cover is required, ensure it is of the same colour as that visible on the pin face of the plug
(i.e. red or orange).  Fuse covers are available from the Parts Department indicated in your User Instructions.
If the plug supplied is not suitable for your socket outlet, it should be cut off and destroyed.
The end of the flexible cord should be suitably prepared and the correct plug fitted.  (See Over)
WARNING : A PLUG WITH BARED FLEXIBLE CORD IS HAZARDOUS IF ENGAGED IN A LIVE SOCKET
OUTLET.
The Wires in this mains lead are coloured in accordance with the following code:
Green-and-yellow ············ Earth
Blue ································· Neutral
Brown ······························ Live
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings
identifying the terminals in your plug proceed as follows:
The wire which is coloured green-and-yellow must be connected to the terminal in the plug which is marked
by the letter E or by the safety earth symbol  or coloured green or green-and-yellow.
The wire which is coloured blue must be connected to the terminal which is marked with the letter N or
coloured black.
The wire which is coloured brown must be connected to the terminal which is marked with the letter L or
coloured red.
WARNING : THIS APPARATUS MUST BE EARTHED.
ASA
The AC Power Cord supplied with this projector meets the requirement for use in the country you purchased it.  
AC Power Cord for the United States and Canada :
AC Power Cord used in the United States and Canada is listed by the Underwriters
Laboratories (UL) and certified by the Canadian Standard Association (CSA).
AC Power Cord has a grounding-type AC line plug.  This is a safety feature to be sure
that the plug will fit into the power outlet.  Do not try to defeat this safety feature.
Should you be unable to insert the plug into the outlet, contact your electrician.
GROUND
THE SOCKET-OUTLET SHOULD BE INSTALLED NEAR THE EQUIPMENT AND EASILY ACCESSIBLE.
AC POWER CORD REQUIREMENT
Federal Communication Commission Notice
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part
15 of FCC Rules.  These limits are designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications.  Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
Do not make any changes or modifications to the equipment unless otherwise specified in the instructions.  If such
changes or modifications should be made, you could be required to stop operation of the equipment.
CAUTION!
This is a Class A equipment. This equipment can cause interference in residential areas; in this case, the operator
can be asked to take adequate countermeasures.  
						

							5
TABLE OF CONTENTS
FEATURES AND DESIGN 6
BEFORE OPERATION 16COMPUTER MODE 25
VIDEO MODE 34
SETTING 39
APPENDIX 42 PREPARATION 7
NAME OF EACH PART OF PROJECTOR 7
SETTING-UP PROJECTOR 8
CONNECTING AC POWER CORD 8
LENS INSTALLATION 9
POSITIONING PROJECTOR 9
LENS SHIFT ADJUSTMENT 9
PICTURE LEVEL AND TILT ADJUSTMENT 10
MOVING PROJECTOR 10
CONNECTING PROJECTOR 11
TERMINALS OF PROJECTOR 11
CONNECTING TO COMPUTER 14
CONNECTING TO VIDEO EQUIPMENT 15
TOP CONTROLS AND INDICATORS 16
OPERATION OF REMOTE CONTROL 17
LASER POINTER FUNCTION 17
REMOTE CONTROL BATTERIES INSTALLATION 18
OPERATING ON-SCREEN MENU 19HOW TO OPERATE ON-SCREEN MENU 19
FLOW OF ON-SCREEN MENU OPERATION 19
MENU BAR 20
SELECTING INPUT SOURCE 25
SELECTING COMPUTER SYSTEM 25
COMPATIBLE COMPUTER SPECIFICATIONS 27
PC ADJUSTMENT 28AUTO PC ADJUSTMENT 28
MANUAL PC ADJUSTMENT 29
PICTURE IMAGE ADJUSTMENT 31IMAGE LEVEL SELECT 31
IMAGE LEVEL ADJUSTMENT 32
PICTURE SCREEN ADJUSTMENT 33
SELECTING INPUT SOURCE 34
SELECTING VIDEO SYSTEM 35
PICTURE IMAGE ADJUSTMENT 36
IMAGE LEVEL SELECT 36
IMAGE LEVEL ADJUSTMENT 37
PICTURE SCREEN ADJUSTMENT 38
SETTING MENU 39
OPERATING WIRELESS MOUSE 42
MAINTENANCE 42
WARNING TEMP. INDICATOR 42
AIR FILTER CARE AND CLEANING 43
CLEANING PROJECTION LENS 43
LAMP MANAGEMENT 44
LAMP REPLACEMENT 45
TROUBLESHOOTING 47
TECHNICAL SPECIFICATIONS 49
BASIC OPERATION 21
TURNING ON / OFF PROJECTOR 21
ADJUSTING SCREEN 22
ZOOM ADJUSTMENT 22
FOCUS ADJUSTMENT 22
LENS SHIFT ADJUSTMENT 22
KEYSTONE ADJUSTMENT 22
PICTURE FREEZE FUNCTION 23
NO SHOW FUNCTION 23
P-TIMER FUNCTION 23
SOUND ADJUSTMENT 24
TRADEMARKS
Apple, Macintosh, and PowerBook are trademarks or registered trademarks of Apple Computer,Inc.
IBM and PS/2 are trademarks or registered trademarks of International Business Machines, Inc.
Windows and PowerPoint are registered trademarks of Microsoft Corporation.
Each name of corporations or products in the owners manual is a trademark or a registered trademark of its
respective corporation. 
						

							6
FEATURES AND DESIGN
This Multimedia Projector is designed with most advanced technology for portability, durability, and ease of use.  This
projector utilizes built-in multimedia features, a palette of 16.77 million colors, and matrix liquid crystal display (LCD)
technology.
Compatibility
This projector widely accepts various video and
computer input signals including;
Computers
IBM-compatible or Macintosh computer up to 1600
x 1200 resolution.
6 Color Systems
NTSC, PAL, SECAM, NTSC 4.43, PAL-M or PAL-
N color system can be connected.
Component Video
Component video signal, such as a DVD player
output high definition TV signals including 480i,
480p, 575i, 575p, 720p, 1035i, 1080i-50 or 1080i-
60, can be connected.
S-Video
S-Video signal, such as a S-VHS VCR output
signal, can be connected.
High Resolution Image
This projector provides 1280 x 1024 dots resolution for
computer input and 800 horizontal TV lines.  Resolution
from a computer between SXGA (1280 x 1024) and
UXGA (1600 x 1200) is compressed into 1280 x 1024
dots.  This projector cannot display image of over 1600 x
1200 dots.  When resolution of your computer is over
than 1600 x 1200, reset a computer output for lower
resolution.
Multi-Scan System
This projector has Multi-Scan System to conform to
almost all computer output signals quickly.  There is no
need for troublesome manual adjustment of frequency
and other settings.
Keystone Correction
Positioning height of a projector may result in distorted
image being displayed in a trapezoid shape.  Keystone
Correction solves this problem by digitally altering
projection to produce undistorted images.
Multilanguage Menu Display
Operation menu is displayed in; English, German,
French, Italian, Spanish, Portuguese, Dutch, Swedish,
Chinese, Korean or Japanese.
One-Touch Auto PC Adjustment
Incoming computer video signals are recognized and
best adjustment is automatically set by Auto PC
Adjustment.  No complicated setup is necessary and
projection is always precise.
Digital Zoom (for Computer)
Digital Zoom function adjusts image size to approx. 1/4 ~
49 times of original image size, allowing you to focus on
crucial information at a presentation.
Power Management
Power Management function is provided to reduce power
consumption while a projector is not in use.  
This Power Management function operates to turn
Projection Lamp off when a projector detects signal
interruption and any button is not pressed over 5
minutes.  Projection Lamp is automatically turned on
again when a projector detects signal or any operation
button is pressed.
This projector is shipped with this function ON.
Wireless Mouse
Remote Control Unit supplied with this projector has
Wireless Mouse function for a connected computer.  This
function enables you to operate both projector and
computer with Remote Control Unit only.
Digital Visual Interface
This projector is equipped with DVI 29-pin terminal for
connecting DVI output from a computer.
Laser Pointer Function
Remote Control Unit supplied with this projector includes
Laser Pointer function.  This function helps you to make
a smart presentation on a projected screen.
Progressive Scan Function 
This function converts interlace video signals into
progressive scan signals and provide fine picture quality.
Motor-driven Lens Shift
Projection lens can be moved up and down with motor-
driven lens shift function.  This function makes it easy to
provide projected image where you want.  
Zoom and focus can be also adjusted with motor-driven
operation.
Multi Versatile Platform
This projector applies various input/output terminals and
3 terminal slots for expansion to tune to diversity of
signals from computers and video equipment.
3-built-in Terminal Slots enable you to arrange any
combinations of input sources just by changing Terminal
Boards.  For Terminal Boards, contact sales dealer
where you purchased a projector.
Selectable Terminal Slots
Network board (Optional)
Network board is an optional product to control and set
up a projector via the network cable. By accessing to the
connected projector using the web browser on your
computer. It can be controlled and set up the projector
remotely. Contact the sales dealer where you purchased
this projector for optional parts. 
						

							7
PREPARATION
NAME OF EACH PART OF PROJECTOR
BOTTOM 
BACK 
HOT AIR EXHAUSTED !
Air blown from exhaust vent is hot.  When
using or installing a projector, following
precautions should be taken.
Do not put a flammable object near this vent.  
Keep rear grills at least 3’ (1m) away from
any object, especially heat-sensitive object.
Do not touch this area, especially screws
and metallic parts.  This area will become
hot while a projector is used.
This projector detects internal temperature
and automatically controls operating power
of Cooling Fans.
FRONT
LAMP
COVER
This projector is equipped with cooling
fans for protection from overheating.
Pay attention to following to ensure
proper ventilation and avoid a possible
risk of fire and malfunction.
Do not cover vent slots.
Keep bottom clear of any objects.
Obstructions may block cooling air.
AIR INTAKE VENTS
PROJECTION LENS
SPEAKERS
INFRARED 
REMOTE RECEIVER
LENS COVER
POWER CORD
CONNECTOR
EXHAUST VENT
MAIN ON / OFF
SWITCH
INFRARED 
REMOTE RECEIVER
CARRYING HANDLE
ADJUSTABLE FEET
AIR INTAKE VENT
Do not turn on a projector with lens cover
attached. High temperature from light beam may
damage lens cover and result in fire hazard.
CAUTION
AIR INTAKE
VENT
EXHAUST VENT
EXHAUST VENT 
						

							8
PREPARATION
SETTING-UP PROJECTOR
This projector uses nominal input voltages of 100-120 V
or 200-240 V AC.  This projector automatically selects
correct input voltage.  It is designed to work with single-
phase power systems having a grounded neutral
conductor.  To reduce risk of electrical shock, do not plug
into any other type of power system.
Consult your authorized dealer or service station if you
are not sure of type of power supply being in use.
Connect a projector with a peripheral equipment before
turning a projector on.  (Refer to pages 12 ~ 15 for
connection.) 
CONNECTING AC POWER CORD
Connect AC Power Cord (supplied) to
a projector.
AC outlet must be near this equipment
and must be easily accessible.
To POWER CORD
CONNECTOR on your
projector.
Projector sideAC Outlet side
Ground
NOTE ON POWER CORD
AC Power Cord must meet requirement of country where you use a projector.
Confirm an AC plug type with chart below and  proper AC power cord must be used.
If supplied AC Power Cord does not match your AC outlet, contact your sales dealer.
To AC Outlet.(120 V AC)
For Continental EuropeFor the U.S.A. and CanadaFor the U.K.
To AC Outlet.(200 - 240 V AC)
To AC Outlet.(200 - 240 V AC) 
						

							9
PREPARATION
POSITIONING PROJECTOR
Before setting up a projector, install Projection Lens on Projector.
1. Before installation, check where a projector is used and prepare suitable lens. For specifications of a
Projection Lens, refer to manual separately attached or contact sales dealer where you purchased a
projector.
2. For installation, refer to installation manual supplied to a Projector.
NOTE; PLC-EF31N is equipped with Model LNS-S02Z lens. 
LENS INSTALLATION
When moving or setting up a projector, be sure to replace Lens Cover to protect surface.  And be
careful not to hold or subject lens to strong forces.  It may damage lens, cabinet, or mechanical parts.
Projection lens can be moved up and down with motor-driven lens shift function.  This function makes it easy to
provide projected image where you want.
LENS SHIFT ADJUSTMENT
MOVED UP OR DOWN
Use LENS SHIFT button and
POINT UP/DOWN button to
move image up or down.
(Refer to page 22.)
This projector is designed to project on a flat projection
surface.
ROOM LIGHT
Brightness in a room has a great influence on picture
quality.  It is recommended to limit ambient lighting in
order to provide best image.
This projector is equipped with cooling fan to protect it from
overheating. Pay attention to following to ensure proper venti-
lation and avoid a possible risk of fire and malfunction. 
Do not cover vents with papers or other materials.
Keep rear grill at least 3 feet (1 m) away from any
object.
Make sure that there are no objects under a pro-
jector. An object under a projector may prevent a
projector from taking cooling air through bottom
vent.
VENTILATION
AIR INTAKE VENT
(BOTTOM SIDE)EXHAUST VENT
(FRONT AND REAR SIDE)
SCREEN 
						

							10
PREPARATION
CAUTION IN CARRYING OR TRANSPORTING A PROJECTOR
Do not drop or bump a projector, otherwise damages or malfunctions may result.
When carrying a projector, use a suitable carrying case.
Do not transport a projector by using a courier or transport service in an unsuitable transport case.  This
may cause damage to a projector.  To transport a projector through a courier or transport service, consult
your dealer and best case should be applied.
Picture tilt and projection angle can be adjusted by rotating
ADJUSTABLE FEET. Projection angle can be adjusted up
to 6.9 degrees by rotating Adjustable Feet.
UP
UP
DOWN
DOWN
ADJUSTABLE FEET
PICTURE LEVEL AND TILT ADJUSTMENT
MOVING PROJECTOR
Use carry handle when moving a projector.
Replace lens cap and retract adjustable feet.